Hydrant



(No Model.)

. W. R. THROPP.

I HYDRANT. No. 448,096. Patented Mar. 10, 1891.

WWI/g ATTORNEYS umu, wumnmau n c UNTTED STATES ATENT Trice,

\VILLIAM R. THROPP, OF TRENTON, NElV JERSEY.

HYDRANT.

SPECIFICATION forming part of Letters Patent No. 448,096, dated March10, 1891.

Application filed August 16, 1390. gerial No. 362,181. (No model.)

To all whmn it may concern:

Be it known that I, WILLIAM R. 'lHRoPP, of Trenton, in the county ofMercer and State of New Jersey, have invented a new and ImprovedHydrant, of which the following is a full, clear, and exactdescription.-

My invention relates to improvements in hydrants, such as are ordinarilyerected in towns and cities for the use of the fire department, and theobject of my invention is to produce a hydrant in which the valveregulating the water-supply may be easily controlled.

To this end my invention consists in certain features of constructionand combinations of parts, which will be hereinafter fully described,and pointed out in the claim.

Reference is to be had to the accompanying drawings, forniinga part ofthis specification,

in which similar letters of reference indicate corresponding parts inall the figures.

Figure 1 is a broken vertical section of the hydrant embodying myinvention. Fig. 2 is a horizontal section on the line 2 2 of Fig. 2, andFig. 3 is a horizontal section 011 the line 3 3 of Fig. 1.

The shell A of the hydrant is substantially like the ordinary form,andis' provided at the base with a laterally-extending flange A which iscoupled to the flange B ofthe supply-pipe B in the usual manner. Thehydrant A has a horizontal partition C extending across the lower partthereof, through which is a vertical opening 0, the partition having anannular shoulder c on its under side, to which the valveseat D isattached.

.A valve-stem E extends vertically through the hydrant, the lowerportion of the valvestem being reduced, as shown at E, and provided witha square collar c, free to turn, and which is held in the square socketb in the lower portion of the pipe 13, the socket preventing the collarfrom turning and serving as a guide or box for the valve-stem, theheight of the socket Z) being sufficient to allow for the necessaryvertical movement of the valve-stem. The valve-stem E may be provided atthe top with any of the common forms of mechanism for operating it, saidmechanism not being shown in the drawings, as it forms no part of myinvention. The

valve-stem at a point adjacent to the valveseat D is provided with avalve consisting of two disks F and G, the lower disk F being held inplace by a nut f and the upper disk G having a hub g, by which it isheld to the stem. The upper disk is small enough to pass freely throughthe opening in the valve-seat and the lower disk has a plainuppersurface, corresponding in size to the size of the valveseat, sothat when raised it will fit closely upon the same.

A packing-piece H, which is preferably of rubber, but may be of anymaterial suitable for the purpose, is held upon the upper surface of thedisk F, it being arranged to come between the disk and the valve-seat D,so that when the valve-stem is raised the packingpiece will be pressedfirmly against the valveseat and a water-tight joint made.

A horizontal duct C leads from the lower portion of the hydrant to oneside thereof, the duct being located between the flangeA and thepartition 0, and opening vertically from the upper portion of thehydrant into the duct is a conical perforation 0 A rod J is mountedhorizontally in the projection a of the hydrant, said rod being locateddirectly above the duct 0', and pivoted on the rod is aninwardly-extending latch K, the inner end K of the latch being bentdownward, so as to impinge upon the upper surface of the disk G. Thelatch K extends horizontally above the opening 0 and 011 the under sideof the latch is a conical plug 70, which fits nicely in said opening, sothat when the latch is dropped the opening will be closed.

The operation of the hydrant is as follows: lVhcn the valve-stem E isforced downward, the collar 6 travels downward in the socket 'b, and thevalve F G is forced downward and away from the valve-seat D, so thatwater from the pipe B flows freely through the opening in the valve-seatand the opening 0 in the hydrant. \Vhen the valve is opened, asdescribed, the weight of the latch K causes it to drop and the plug isforced into'the opening C and the hydrant will not leak. hen

the valveis closed, the disk Gstrikes the bent end K of the latch, thusraising the latch, and the water in the hydrant flows out through theopening-O and duct- C', and consequently there will be no danger of thehydrant being In a hydrant, the combination, with the verfrozen up andbecoming inoperative. tically-movable valve-stem having a collar It willbe readily seen that the inner end loosely mounted on the lower endthereof,ol of the latch K might be bent upward instead a socketvertically aligning with the valve- 1:, 5 of downward, so as to engage avalve closing; 1 stem and adapted to hold the collar from downwardinstead of upward, which would turning substantially as described. bemerely the inverting of the valve shown, i Tn-LIAM R THROPR with thenecessary mechanical changes.

Having thus described my invention, I

Witnesses:

Patent 0. SEncwIcK.

i [0 claim as new and desire to secure by Letters 1 VARREN l3.HUTCHINSON,

